 |  | | |
 | water stress and efficiency |
| |
|
|  |
  | Australia & New Zealand |
| |
|
|  |
| IPNI-14 | Best Management Practices for Sustainable Crop Nutrition in Bulgaria |  |
|
|  |
  | Great Plains U.S. |
| |
|
|  |
  | Middle East |
| |
   | North and West Zone India |
|  |
  | Northcentral China |
| |
|
|  |
  | Northern Great Plains |
| |
|
|  |
  | Southern and Eastern Russia |
| |
   | Southern India & Sri Lanka |
|  |
  | Southern Latin America |
| |
|
|  |
 | zinc |
| |
|
|  |